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511000030 = 2553964151
BaseRepresentation
bin11110011101010…
…011110111011110
31022121112111021001
4132131103313132
52021304000110
6122412300514
715443300002
oct3635236736
91277474231
10511000030
1124249a982
1212317173a
1381b36ba8
144bc1a702
152ecdc63a
hex1e753dde

511000030 has 16 divisors (see below), whose sum is σ = 937155744. Its totient is φ = 200543200.

The previous prime is 511000019. The next prime is 511000031. The reversal of 511000030 is 30000115.

It is a super-2 number, since 2×5110000302 = 522242061320001800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 510999980 and 511000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511000031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481546 + ... + 482605.

It is an arithmetic number, because the mean of its divisors is an integer number (58572234).

Almost surely, 2511000030 is an apocalyptic number.

511000030 is a deficient number, since it is larger than the sum of its proper divisors (426155714).

511000030 is a wasteful number, since it uses less digits than its factorization.

511000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964211.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 511000030 is about 22605.3097744756. The cubic root of 511000030 is about 799.4788428594.

Adding to 511000030 its reverse (30000115), we get a palindrome (541000145).

The spelling of 511000030 in words is "five hundred eleven million, thirty", and thus it is an aban number.

Divisors: 1 2 5 10 53 106 265 530 964151 1928302 4820755 9641510 51100003 102200006 255500015 511000030